RESEARCH ON A FLUTTER STABILITY CONTROL MEASURE OF A FABRICATED STEEL TRUSS BRIDGE

被引：0

作者：

He Xiaohui ^{[1
]}

Wang Qiang ^{[1
]}

Zhang Chenglong ^{[1
]}

Zhang Shunfeng ^{[1
]}

Gao Yaming ^{[1
]}

机构：

[1] PLA Univ Sci & Technol, Coll Field Engn, Nanjing, Jiangsu, Peoples R China

来源：

TRANSACTIONS OF THE CANADIAN SOCIETY FOR MECHANICAL ENGINEERING | 2017年 / 41卷 / 02期

关键词：

guiding plates; fabricated steel truss bridge; 2d-3DOF coupling flutter method; flutter stability; control measures;

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In order to improve the flutter stability of a certain type fabricated steel truss bridge, a method of setting guiding plates is proposed. Based on the two-dimensional 3 DOF coupling flutter method (2d-3DOF method), and by use of the numerical wind tunnel established by computational fluid dynamics (CFD), the flutter stability control measures of setting guiding plates are simulated. Through CFD numerical simulation, the flow field characteristics, flutter derivatives and critical flutter speed of original and guiding-plated models are obtained. It is found that for a certain type fabricated steel truss bridge, the guiding plates can improve its flutter stability. Thus, the feasibility and reliability of setting the guiding plates are proved, and the foundation for its further application in practical projects is laid.

引用

页码：181 / 195

页数：15

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